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1、同时也可为花椒的大批量气调库贮藏提供基础数据，对于延长大红袍花椒的贮藏寿命和鲜果供应期限具有重要的应用价值。此外，也为气调保鲜技术的推广应用做出一小步的努力。关键词：气调保鲜；大红袍花椒；保鲜剂；冷藏研究类型：应用研究Subject:StudyonthePreservationQualityofDahongpaoPepper:TreatedinModifiedAtmospherePackagingConicalFlasksSpecialy:Heating,:GasSuppling，VentilationandAirConditioningEngi
2、neeringName:JiangYunhua:(Signature)Instructor:XueHanling:(Signature)AbstractTheDahongpaopepperinHanchengisfamoushomeandaboardforitsbestquality.However,itisdifficulttoseetheDahongpaopepperforsaleduetoitsnaturalshelf-lifejustonly2-4days,soithasalwaysbeensaledasdriedpepperindome
3、sticandforeignmarkets.CombinedwiththerapidgrowthtechnologyofModifiedAtmosphere,thispaperstudiedthetechnologyofmodifiedatmospherepackagingconicalflasks,exploredthebestconditionsofextendingDahongpaopepper‟sshelf-lifeinHancheng,andprocesstoitscommercialization.Thestudyfirstchose
4、sixkindsofpreservativeforpepperandletthe50gsamplepeppersoakfor30minindifferentpreservativeandthenkeepthemina4℃freezer.Monitoringthesensoryevaluationfor34daysandthemostsuitableconcentrationofpreservativewouldbefoundinthisstudy:citricacidconcentrationfor0.50%,sodiumchlorideconc
5、entrationfor1.00%,ascorbicacidconcentrationfor0.10%,potassiumsorbetconcentrationfor0.15%,sodiumbenzoateconcentrationfor0.10%Phyticacidconcentrationfor0.30%.Accordingtothedifferentpreservationprincipleofpreservative,andlearnedfromotheranalogousresearchexperience,weconcludedthr
6、eesetsofbestproject,thefirstoneissodiumbenzoate+sodiumchloride+ascorbicacid.thesecondoneissodiumbenzoate+citricacid+sodiumchloride.thethirdoneisphyticacid+citricacid+sodiumchloride.Accordingtothemostsuitableconcentrationofpreservatives,weselectedfourdifferentconcentrationstoo
7、rthogonaltest,Weanalyzedthosedatain20days,theexperimentconcludedthatthebestpreservationprogramofDahongpaopepperinHanchengisoptimallevelofportfolioinproject1st,thatis15minofsoakingtime,sodiumbenzoateconcentrationfor0.30%,sodiumchlorideconcentrationfor1.00%,ascorbicacidconcentr
8、ationfor0.10%.Finally,Fromtheexperimentsinsection2andsection3,Wecond
